помогите решить в столбик
3,712/(7-3,8)+1,3*(2,74+0,66)

1)  70         2)2,74               3)3,712  3,2             4)1,3            5)1,16
  -  3,8        + 0,66                  3,2     1,16            * 3,4             + 4,42
     3,2           3,40=3,4               51                 +      52                5,58 
                                                32                       39
                                                192                     4,42  
                                                192
                                                  0